What’s Vulnerable › Vulnerabilities
CVE-2026-27064: WordPress Mailster plugin <= 4.1.17 - Arbitrary File Upload vulnerability
- Severity: critical (CVSS 9.1 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-07-23 · updated 2026-10-24
- Weakness: CWE-434
Description
Editor Arbitrary File Upload in Mailster <= 4.1.17 versions.
Affected products
- EverPress Mailster: through 4.1.17
References
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